Pick up sticks

[waxcap]

Hi Chris

"gross morphology in fungi can be taxonomically misleading"

What are you saying Chris?

"sequencing and other molecular studies are starting to unravel a lot of the picture; the days when you could just look at any fungus on the macro level and be able to place it taxonomically are gone"

Oh sh**!

Dave

[Ditiola]

Found this one yesterday:

The asexual stage of Nectria inventa, on Daldinia concentrica: Apparently the sexual stage is seldom found.
Peter

[chrisjohnson]

Does anyone recognise this.

Found yesterday on the lower part of the stem of Heracleum. Nothing useful found with microscopy as yet.

From Ellis & Ellis, Phoma complanata (Metasphaeria complanata) is possible but they don't illustrate it and nothing showing on the web (that I have found).

Thanks,

Chris

[Chris Yeates]

Originally Posted by chrisjohnson

Does anyone recognise this.

Found yesterday on the lower part of the stem of Heracleum. Nothing useful found with microscopy as yet.

From Ellis & Ellis, Phoma complanata (Metasphaeria complanata) is possible but they don't illustrate it and nothing showing on the web (that I have found).

Thanks,

Chris

hi Chris

a couple of things:

1. I suspect those are not Heracleum stems; I think that is Angelica sylvestris
2. the fungus is Heterosphaeria patella, which does occasionally occur on other members of the Apiaceae, but I have only ever seen it on Angelica on which it is actually very common

cheers

Chris

PS - let's hope Andreas doesn't kick off about the typification of Pyrenopeziza if he sees this

[chrisjohnson]

Originally Posted by Chris Yeates

hi Chris

a couple of things:

1. I suspect those are not Heracleum stems; I think that is
2. the fungus is Heterosphaeria patella, which does occasionally occur on other members of the Apiaceae, but I have only ever seen it on Angelica on which it is actually very common

cheers

Chris

Thanks Chris - that looks spot-on. I hadn't considered Angelica as the area is quite exposed and rough and I hadn't recalled seeing Angelica there.

PS - let's hope Andreas doesn't kick off about the typification of Pyrenopeziza if he sees this

Haha - having stumbled across his 'essay' yesterday whilst searching for Heracleum, it was necessary to lie down in a darkened room for a while.

Chris

[Ditiola]

Hi

Though I would add one before the thread gets lost:

Pleospora herbarium on dead stem of Euphorbia lathyris (Derby)



Peter

[FungiJohn]

Originally Posted by Ditiola

Hi

Though I would add one before the thread gets lost:

Pleospora herbarium on dead stem of Euphorbia lathyris (Derby)



Peter

Don't worry Peter the thread will not 'get lost'. All important 'Hot Topics' are here in a 'Sticky':

Hot Fungi Topic Threads

John

[flaxton]

While I was trying to get a decent photo of this Comatricha nigra which is never easy


I spotted the tops of these pear shaped fruitbodies embedded in the rotting wood



What I at first took as spores (possibly immature) are long and septate with a swollen section


and I then found asci with spores still intact some of which looked similar



but others which look nothing like.


Can anyone sort out my confusion.

Thanks
Mal

[Chris Yeates]

Originally Posted by flaxton

While I was trying to get a decent photo of this Comatricha nigra which is never easy


I spotted the tops of these pear shaped fruitbodies embedded in the rotting wood



What I at first took as spores (possibly immature) are long and septate with a swollen section


and I then found asci with spores still intact some of which looked similar



but others which look nothing like.


Can anyone sort out my confusion.

Thanks
Mal

You said it Mal

these asci are immature - if you still have the material keep it damp and it may mature - I suspect those spores will colour up as time goes on

Chris

[flaxton]

Does Gnomonia setacea grow on betula wood as well as leaves?



The distinctive spores make it look right but leaves are the only substrate I can find mentioned



Thanks
Mal